# Copyright 2023 The jax3d Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
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"""Tests for jax3d.utils.tree_utils."""

import jax3d.public_api as j3d
import numpy as np
import pytest


def test_tree_parallel_map():
  assert j3d.tree.parallel_map(
      lambda x: x * 10,
      {'a': [1, 2, 3], 'b': [4, 5]}
  ) == {'a': [10, 20, 30], 'b': [40, 50]}


def test_tree_parallel_map_reraise():

  def fn(x):
    raise ValueError('Bad value')

  with pytest.raises(ValueError, match='Bad value'):
    j3d.tree.parallel_map(fn, [1])


def test_tree_unzip():
  assert list(
      j3d.tree.unzip({
          'a': np.array([1, 2, 3]),
          'b': np.array([10, 20, 30]),
      })) == [
          {
              'a': 1,
              'b': 10
          },
          {
              'a': 2,
              'b': 20
          },
          {
              'a': 3,
              'b': 30
          },
      ]
